CVE-2003-0520 Denial of service in n/a

Medium 5.0 Published 10 Jul 2003 Updated 8 Aug 2024

Remote attackers can crash Trillian instant messaging clients by sending a malformed TypingUser message, causing a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2003-0520?

CVE-2003-0520 is a medium-severity denial of service vulnerability in n/a, published on 10 Jul 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Trillian 1.0 Pro and 0.74 Freeware allows remote attackers to cause a denial of service (crash) via a TypingUser message in which the "TypingUser" string has been modified.

Which versions are affected by CVE-2003-0520?

It affects 1 product.

Products include Cerulean Studios Trillian.

How do I fix CVE-2003-0520?

No fix has been published for CVE-2003-0520 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2003-0520 being exploited?

There is no known exploitation of CVE-2003-0520 in the wild and no public exploit code.

Sources

Also known as GHSA-8xc7-v39c-5f37.